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    <title>Devin AI - 革命性的AI软件工程师</title>
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            min-height: 100vh;
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        .feature-icon {
            width: 60px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #667eea, #764ba2);
            border-radius: 15px;
            margin-bottom: 20px;
            font-size: 24px;
            color: white;
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        .workflow-step {
            position: relative;
            padding-left: 40px;
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        .workflow-step::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 30px;
            bottom: -30px;
            width: 2px;
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        .workflow-step:last-child::before {
            display: none;
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        .workflow-number {
            position: absolute;
            left: 0;
            top: 0;
            width: 24px;
            height: 24px;
            background: #667eea;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: bold;
            color: white;
        }
    </style>
</head>
<body>
    <!-- Hero Section -->
    <section class="relative overflow-hidden py-20 px-6">
        <div class="max-w-6xl mx-auto">
            <div class="text-center mb-16">
                <h1 class="text-6xl font-bold mb-6">
                    <span class="hero-gradient">Devin AI</span>
                </h1>
                <p class="text-2xl text-gray-300 mb-8">革命性的AI软件工程师，重新定义代码开发</p>
                <div class="flex justify-center space-x-6 text-lg">
                    <div class="flex items-center">
                        <i class="fas fa-code text-purple-400 mr-2"></i>
                        <span>自主编程</span>
                    </div>
                    <div class="flex items-center">
                        <i class="fas fa-brain text-purple-400 mr-2"></i>
                        <span>智能决策</span>
                    </div>
                    <div class="flex items-center">
                        <i class="fas fa-rocket text-purple-400 mr-2"></i>
                        <span>高效执行</span>
                    </div>
                </div>
            </div>
            
            <!-- 核心理念卡片 -->
            <div class="grid md:grid-cols-3 gap-6 mb-16">
                <div class="card-hover rounded-xl p-6">
                    <div class="feature-icon">
                        <i class="fas fa-robot"></i>
                    </div>
                    <h3 class="text-xl font-semibold mb-3">真实的AI工程师</h3>
                    <p class="text-gray-300">Devin不仅仅是一个代码助手，而是一个能够独立思考、规划和执行的完整软件工程师。</p>
                </div>
                <div class="card-hover rounded-xl p-6">
                    <div class="feature-icon">
                        <i class="fas fa-laptop-code"></i>
                    </div>
                    <h3 class="text-xl font-semibold mb-3">完整开发环境</h3>
                    <p class="text-gray-300">拥有真实的操作系统环境，可以使用编辑器、终端、浏览器等所有开发工具。</p>
                </div>
                <div class="card-hover rounded-xl p-6">
                    <div class="feature-icon">
                        <i class="fas fa-shield-alt"></i>
                    </div>
                    <h3 class="text-xl font-semibold mb-3">安全可靠</h3>
                    <p class="text-gray-300">严格的安全协议，保护代码和数据安全，遵循最佳实践，永不泄露敏感信息。</p>
                </div>
            </div>
        </div>
    </section>

    <!-- 工作流程 -->
    <section class="py-16 px-6">
        <div class="max-w-6xl mx-auto">
            <h2 class="section-title text-3xl font-bold mb-12">工作流程</h2>
            
            <div class="grid md:grid-cols-2 gap-12">
                <div>
                    <div class="workflow-step mb-8">
                        <div class="workflow-number">1</div>
                        <h3 class="text-xl font-semibold mb-3 text-purple-400">规划模式</h3>
                        <p class="text-gray-300">深入理解任务需求，搜索代码库，收集必要信息，制定完整的执行计划。</p>
                    </div>
                    <div class="workflow-step mb-8">
                        <div class="workflow-number">2</div>
                        <h3 class="text-xl font-semibold mb-3 text-purple-400">标准模式</h3>
                        <p class="text-gray-300">按照计划执行任务，编写代码，运行测试，处理错误，持续迭代直到完成。</p>
                    </div>
                    <div class="workflow-step mb-8">
                        <div class="workflow-number">3</div>
                        <h3 class="text-xl font-semibold mb-3 text-purple-400">验证交付</h3>
                        <p class="text-gray-300">运行lint和测试，确保代码质量，部署应用，向用户交付成果。</p>
                    </div>
                </div>
                
                <div class="card-hover rounded-xl p-8">
                    <h3 class="text-2xl font-semibold mb-6 text-center">核心能力架构</h3>
                    <div class="mermaid">
                        graph TD
                            A[Devin AI] --> B[思考推理]
                            A --> C[代码操作]
                            A --> D[环境交互]
                            A --> E[用户沟通]
                            
                            B --> B1[深度思考]
                            B --> B2[问题分析]
                            B --> B3[决策制定]
                            
                            C --> C1[文件编辑]
                            C --> C2[代码搜索]
                            C --> C3[LSP集成]
                            
                            D --> D1[Shell命令]
                            D --> D2[浏览器控制]
                            D --> D3[Git操作]
                            
                            E --> E1[进度汇报]
                            E --> E2[问题反馈]
                            E --> E3[成果交付]
                            
                            style A fill:#667eea,stroke:#764ba2,stroke-width:3px,color:#fff
                            style B fill:#764ba2,stroke:#667eea,stroke-width:2px,color:#fff
                            style C fill:#764ba2,stroke:#667eea,stroke-width:2px,color:#fff
                            style D fill:#764ba2,stroke:#667eea,stroke-width:2px,color:#fff
                            style E fill:#764ba2,stroke:#667eea,stroke-width:2px,color:#fff
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- 核心命令系统 -->
    <section class="py-16 px-6 bg-black bg-opacity-30">
        <div class="max-w-6xl mx-auto">
            <h2 class="section-title text-3xl font-bold mb-12">核心命令系统</h2>
            
            <div class="grid md:grid-cols-2 gap-6">
                <div class="command-card rounded-lg p-6">
                    <h3 class="text-xl font-semibold mb-3 flex items-center">
                        <i class="fas fa-brain text-purple-400 mr-3"></i>
                        思考命令
                    </h3>
                    <p class="text-gray-300 mb-2"><span class="drop-cap">D</span>evin使用 <code class="bg-gray-800 px-2 py-1 rounded">&lt;think&gt;</code> 命令进行深度思考和推理。在关键决策点、遇到困难或需要制定策略时，会进入思考模式，分析问题本质，权衡不同方案。</p>
                </div>
                
                <div class="command-card rounded-lg p-6">
                    <h3 class="text-xl font-semibold mb-3 flex items-center">
                        <i class="fas fa-edit text-purple-400 mr-3"></i>
                        编辑命令
                    </h3>
                    <p class="text-gray-300">完整的文件操作能力：创建、查看、编辑、撤销。支持LSP诊断、代码大纲、智能替换。永不使用传统shell命令操作文件。</p>
                </div>
                
                <div class="command-card rounded-lg p-6">
                    <h3 class="text-xl font-semibold mb-3 flex items-center">
                        <i class="fas fa-search text-purple-400 mr-3"></i>
                        搜索命令
                    </h3>
                    <p class="text-gray-300">强大的代码搜索能力：文件内容搜索、文件名搜索、语义搜索。能够理解代码结构和组件关系。</p>
                </div>
                
                <div class="command-card rounded-lg p-6">
                    <h3 class="text-xl font-semibold mb-3 flex items-center">
                        <i class="fas fa-terminal text-purple-400 mr-3"></i>
                        Shell命令
                    </h3>
                    <p class="text-gray-300">完整的终端控制能力，可以运行任何命令、管理进程、处理交互式输入。支持多个并行shell会话。</p>
                </div>
            </div>
        </div>
    </section>

    <!-- 最佳实践 -->
    <section class="py-16 px-6">
        <div class="max-w-6xl mx-auto">
            <h2 class="section-title text-3xl font-bold mb-12">编码最佳实践</h2>
            
            <div class="grid md:grid-cols-3 gap-8">
                <div class="text-center">
                    <div class="feature-icon mx-auto">
                        <i class="fas fa-code-branch"></i>
                    </div>
                    <h3 class="text-xl font-semibold mb-3">代码风格一致性</h3>
                    <p class="text-gray-300">深入理解项目代码规范，模仿现有代码风格，使用项目已有的库和工具，保持命名和结构的一致性。</p>
                </div>
                
                <div class="text-center">
                    <div class="feature-icon mx-auto">
                        <i class="fas fa-shield-virus"></i>
                    </div>
                    <h3 class="text-xl font-semibold mb-3">安